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Solid Earth An interactive open-access journal of the European Geosciences Union
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Volume 3, issue 2
Solid Earth, 3, 307–311, 2012
https://doi.org/10.5194/se-3-307-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.
Solid Earth, 3, 307–311, 2012
https://doi.org/10.5194/se-3-307-2012
© Author(s) 2012. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 01 Oct 2012

Research article | 01 Oct 2012

Influence of a single lightning discharge on the intensity of an air electric field and acoustic emission of near-surface rocks

S. E. Smirnov and Y. V. Marapulets S. E. Smirnov and Y. V. Marapulets
  • Institute of Cosmophysical Research and Radio Wave Propagation (FEB RAS), Paratunka Kamchatskiy krai, Russia

Abstract. The effect was observed as a sharp fall of the electric potential gradient from +80 V m−1 down to –21 V m−1. After that the field returned to its normal level according to the formula of the capacitor discharge with 17 s characteristic time. Simultaneously, the response of the acoustic emission of surface rocks in the range of frequencies between 6.5 kHz and 11 kHz was evaluated.

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